estate of the realm(n = noun.group) estate, the three estates - a major social class or order of persons regarded collectively as part of the body politic of the country (especially in the United Kingdom) and formerly possessing distinct political rights;
is a kind of class, social class, socio-economic class, stratum
is a part of body politic, commonwealth, country, land, nation, res publica, state
has particulars: first estate, lords spiritual, lords temporal, second estate, commons, third estate, fourth estate

estate, estate agent, estate car, estate for life, estate tax, first estate, fourth estate, gross estate, housing estate, landed estate, life estate, net estate, peer of the realm, personal estate, real estate, real estate agent, real estate broker, real estate investment trust, real estate loan, realm, second estate, third estate